Technical Wiring Steering control 2Din radio

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Technical Wiring Steering control 2Din radio

mark021

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Hello fiat lovers,

Have received a new car radio for my Fiat Croma (194) 2005. We have installed it but the steering control does not work (with standard ISO cable). The car radio have a build-in option to assign a key but if i press on a steerbutton nothing happens. Have connected wire key 1 and key 2 and all the grounds. How does this key 1 and 2 be connected? does somebody have the wiring diagram for fiat Croma 194?

Or does this needed a steering control adaptor?

Thanks for replying would like to hear
Mark

car radio:
[ame="http://www.amazon.com/Bosion-Universal-Navigation-Bluetooth-microphone/dp/B01CYAGZ34/ref=sr_1_2?s=gps&ie=UTF8&qid=1459358974&sr=1-2&keywords=bosion+din+android"]Amazon.com: Bosion Android 4.4 Universal In Dash HD Touch Screen Car DVD Player Double Din GPS Navigation Stereo AM FM Radio Support SD/USB/Bluetooth/3G/Wifi/OBD2/1080P/IPOD/ Built-in microphone and Backup Camera: GPS & Navigation@@AMEPARAM@@http://ecx.images-amazon.com/images/I/51Wby6CWLJL.@@AMEPARAM@@51Wby6CWLJL[/ame]
 
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Thanks for the reactions. How does this adaptor be connected? with the canbus wires of the croma? Other steering wires are not available. Have already an canbus adaptor connected for illumination, ignition, reverse. would like to hear
 
You connect it between the car and radio. The box then does the magic.. it also has connecions for illumination, ignition, reverse..
 
I got the sony Adaptor to fit mine but the Stereo doesn't switch off when ignition switched off so i've left original one in

I did do the red and yellow wire swap as well
 
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